<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<!-- 这里不填写action地址，就会自动请求地址栏的默认地址，也就是/login  -->
	<form action="" method="post">
		
		用户名:<input type="text" name="username" />
		密码:<input type="text" name="password" />
		<button type="submit">登陆</button>
	</form>
</body>
</html>